Structure of PDB 7dkz Chain A Binding Site BS20

Receptor Information
>7dkz Chain A (length=742) Species: 3888 (Pisum sativum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EVKILVDRDPIKTSFEQWAKPGHFSRTIAKGPDTTTWIWNLHADAHDFDS
HTSDLEEISRKVFSAHFGQLSIIFLWLSGMYFHGARFSNYEAWLNDPTHI
RPSAQVVWPIVGQEILNGDVGGGFRGIQITSGFFQIWRASGITSELQLYC
TAIGALVFAALMLFAGWFHYHKAAPKLVWFQDVESMLNHHLAGLLGLGSL
SWAGHQIHVSLPINQFLNAGVDPKEIPLPHEFILNRDLLAQLYPSFAEGA
TPFFTLNWSKYADFLTFRGGLDPLTGGLWLTDIAHHHLAIAILFLIAGHM
YRTNWGIGHGIKDILEAHKGPFTGQGHKGLYEILTTSWHAQLSINLAMLG
SLTIIVAHHMYAMPPYPYLATDYGTQLSLFTHHMWIGGFLIVGAAAHAAI
FMVRDYDPTTRYNDLLDRVLRHRDAIISHLNWVCIFLGFHSFGLYIHNDT
MSALGRPQDMFSDTAIQLQPVFAQWIQNTHALAPGTTAPGATTSTSLTWG
GGDLVSVGGKVALLPIPLGTADFLVHHIHAFTIHVTVLILLKGVLFARSS
RLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNAISVVIFHF
SWKMQSDVWGSINDQGVVTHITGGNFAQSSITINGWLRDFLWAQASQVIQ
SYGSSLSAYGLFFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKV
APATQPRALSIVQGRAVGVTHYLLGGIATTWAFFLARIIAVG
Ligand information
Ligand IDCLA
InChIInChI=1S/C55H73N4O5.Mg/c1-13-39-35(8)42-28-44-37(10)41(24-25-48(60)64-27-26-34(7)23-17-22-33(6)21-16-20-32(5)19-15-18-31(3)4)52(58-44)50-51(55(62)63-12)54(61)49-38(11)45(59-53(49)50)30-47-40(14-2)36(9)43(57-47)29-46(39)56-42;/h13,26,28-33,37,41,51H,1,14-25,27H2,2-12H3,(H-,56,57,58,59,61);/q-1;+2/p-1/b34-26+;/t32-,33-,37+,41+,51-;/m1./s1
InChIKeyATNHDLDRLWWWCB-AENOIHSZSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=C(C(C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)C(C9CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4[Mg][N]5C(=CC1=N2)C(=C6C(=O)[CH](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[CH](C)[CH]7CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C
ACDLabs 12.01O=C(OC)C1C(=O)C2=C(C)C3=CC=4C(CC)=C(C)C5=Cc6c(C=C)c(C)c7C=C8C(C)C(CCC(=O)OC\C=C(/C)CCCC(C)CCCC(C)CCCC(C)C)C=9C1=C2N3[Mg](n76)(N5=4)N8=9
OpenEye OEToolkits 2.0.7CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=C([C@H](C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)[C@H]([C@@H]9CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)C)C=C)C
CACTVS 3.385CCC1=C(C)C2=Cc3n4[Mg][N@@]5C(=CC1=N2)C(=C6C(=O)[C@H](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[C@@H](C)[C@@H]7CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C
FormulaC55 H72 Mg N4 O5
NameCHLOROPHYLL A
ChEMBL
DrugBankDB02133
ZINC
PDB chain7dkz Chain A Residue 820 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7dkz Structure of plant photosystem I-light harvesting complex I supercomplex at 2.4 angstrom resolution.
Resolution2.393 Å
Binding residue
(original residue number in PDB)		L203 L207 L309 F310 A313 M316 Y317 I330
Binding residue
(residue number reindexed from 1)		L187 L191 L293 F294 A297 M300 Y301 I314
Annotation score1
Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0009055 electron transfer activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
Cellular Component
GO:0009507 chloroplast
GO:0009522 photosystem I
GO:0009535 chloroplast thylakoid membrane
GO:0009579 thylakoid
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7dkz, PDBe:7dkz, PDBj:7dkz
PDBsum7dkz
PubMed33788400
UniProtP05310|PSAA_PEA Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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